Page 1
Clarion®
WH204
DUAL
CHANNEL
STEREO
INFRARED
HEADPHONES
OWNER'S
MANUAL
INSTALLATION
GUIDE
Page 2
WARNINGl
THE
CLARION
WH204
DUAL
INFRARED
HEADPHONES
ARE
DESIGNED
FOR
LISTENINGTOVIDEOORAUDIO
SOURCES
FOR
REAR
SEAT
PASSENGERS
ONLY.
THIS
PRODUCTISNOT
INTENDED
FOR
USEBYTHE
DRIVER
WHILE
THE
VEHICLEISIN MOTION
SINCE
SUCH
USE
MAY
DISTRACT
THE
DRIVERORINTERFERE
WITH
THE
DRIVER'S
SAFE
OPERATIONOFTHE
VEHICLE
AND
MAY
RESULT
IN
SERIOUS
INJURYORDEATH.
SUCH
USE
MAY
ALSO
VIOLATE
STATE
LAW.
CLARION
DISCLAIMS
ANY
LIABILITY
FOR
ANY
BODILY
INJURY,
INCLUDING
FATALITIES,ORPROPERTY
DAMAGE
THAT
MAY
RESULT
FROM
ANY
IMPROPERORUNINTENDED
USESOFTHIS
PRODUCT.
ASOUT
INSTAllATION
Installation of
mobile
audio
and
video
components
requires
experience
withavarietyofmechanical
and
electrical
proce-
dures.
Even
though
this
manual
provides
general
installation
and
operation
instructions
for
your
new
Clarion
WH204
Dual
Channel
Infrared
Headphones,itdoes
not
show
the
exact
installation
methods
for
your
particular
vehicle.
If
youdonot
have
the
required
knowledge
and
experience
to
successfully
complete
the
installation,westrongly
recom-
mend
consultinganauthorized
Clarion
Pro
Audio
dealer
about
professional installation
options.
TASLE
OF
CONTENTS
Introduction
••••••••••••.••••••••••••••••••••••••••••••••••••••••••••••••••
2
Description
Of
Controls
and
Indicators 3
IR
Transmitter Specifications 3
DescriptionofHeadphone
Controls
~
••.•
4
Battery
Installation
.••.•.•••••••••••••••••••••••••••••••••••••••••••..•
5
Operation
Description
•••••••••••••••••••••••••••••••••••••••••.••••••
5
Operation
Precautions
•••••••••••••••••••••••••••••.••••••••••.••••••
6
Instal/ation Precautions
••••.••..••••••••••••••••••••••••••••••••••••
6
Mounting
Description
•••.••.•••••••••••••••••••••••••••••••••••••••••.
7
Wiring Description...
.••••••••••••••••••.•••••.••••••••••••••••••••••••
8
Troubleshooting
•••••••••••••••••••••••••••••.•.•.•.••••••••••••••••••••
9
FCC
Statement
••••••••••••••••••••••••••••••••••••••••.••••••••••••••••••
9
Page 3
INTRODUCTION
The
Clarion
WH204isa
full-featured
Dual
Channel
Infrared
Headphone
System
specifically
created
for
the
mobile
envi-
ronment.
The
WH204
frees
you
from
the
tangleofhead-
phone
wires
and
lets
you
enjoy
musicorTV
audio
without
the
clutter of
cables.Toensure
the
best
performanceofyour
system,
please
read
this
manual
carefully.
When
used
with
the
enclosed
pairofindividual
headphones,
the
system
allows
independent
source
selectionoftwo
audio
channels
(ex:
audioorvideo
sources),
each
capableofplay-
ing
adifferent
high-fidelity
stereo
program.
Each
headphone
allows
for
independent
volume
and
source
selectiontopro-
vide
individual
and
private
listening.
Additional
Headphones
The
Clarion
WH204
allows
userstotake
full
advantageofthe
benefitsofinfrared
audio
transmission
and
its
abilitytooper-
ate
multiple
headphones
from
one
single
transmitter.
There
is
no
need
for
Y-adapters,
complex
installation,orconcerns
over
electrical
overload.
Additional
headphones,
WH204H,
are
available
through
your
local
Clarion
Audio
Dealer.
2
Special Features
Automatic
Level
Control
prevents
input
signal
over
load-
ing.
Uses
high
frequency
infrared
lighttoassureaclean
signal
for
clear
reception.
Power
Indicator
LED.
Two
Channel
Input
Operation.
Auto
Sensing ON/OFF Circuit.
Independent
Volume
Controls.
Independent
AlB
Channel
Selection
Switches.
About
The
Manual
And
Warranty
To
start
enjoying
your
new
Clarion
WH204
system,
please
read
all
remaining
instructions
listedinthis
manual.
Keep
all
instructions
for
future
reference.
This
productiscoveredbya
limited
warranty
(see
the
enclosed
warranty
card).
Save
the
sales
receipttoprotect
your
purchase
and
aidinwarranty
service.
Page 4
DESCRIPTION
OF
CONTROLS
AND
INDICATORS
Figure1.The
WH204
Transmitter
descriptions.
12
volts
dc
1
watt,
Power
On
4.13x
0.82 x 3.69 in.
(104 x
21
x 94 mm)
3.69 in.
(94 mm)
(2)
M4x12
Sheet
Metal
Screws,
(1)
5-pin
Power/ChannelAMolex,
(1)
3-pin
ChannelBMolex
(2)
Plastic
Screw
cover
inserts.
General
Specifications
Power
Requirement:
Power
Consumption:
Dimensions(wx h x
d):
Mounting
Base
Mounting
Holes:
(to
centers)
Supplied
Accessories:
Infrared
Transmiffer
CD
IR
Array
window
Point
Infrared
LED
array
window
toward
users.
CV
Mounting
hole
locations
(covers
removed)
Use
M4x12
sheet
metal
screwstoattachIRTransmitter.
(see
Mounting
Descriptiononpage
7).
IR
TRANSMITTER SPECIFICATIONS
010
3
Page 5
DESCRIPTION
Of
HEADPHONE CONTROLS
8
Figure2.The
WH204IRRemote
Headphone
controls
and
indi-
cators.
4
Infrared
Headphones
@
POWER
Switch
Allows user to turn On/Offthe headphone.
@
POWER
Indicator
When
illuminated
the
headphones
are
fully
functional.
The
indicator
will
tum
off
when
the
headphones
are
removedorwhen
the
power
switchisturned
off.
@
CHANNEL
SELECTION
AJB
Switch
Allows
usertochoose
the
audio
source.
®
VOLUME
Control
Allows
usertoset
individual
listening
levels.
(/)
BATTERY
Compartment
Remove
the
cover
and
place2Alkaline
AAA
batteries
in
the
compartment.
(See
page
5for
information).
Page 6
BATTERY INSTALLATION
1.
Open the battery compartmentbysliding the cover
toward
the
bottomofthe
Headphone.
2.
Place
two
(2)
alkaline
AAA
batteries into
the
battery
compartment of
the
Headphones,
making
sure
that
the
battery
polarityiscorrect.
3.
Snap
the
battery
cover
back
into
place.
Figure3.The
Remote
Headphone
Battery
Installation.
OPERA
TION
DESCRIPTION
PLEASE
READ
CAREFULLYTOPREVENT
DAMAGETOTHE
HEADPHONESORYOUR
EARS.
1.
Be sure batteries are properly installed in the
Headphones.
2.
Tum
the
Headphone
volume
nearly
off
before
turing
on
the
power
switch.
3.
Tum
the
Headphone
power
switchtotheONposition.
4.
Place
the
headphonesonyour
head
and
the
power
indica-
tor
will
illuminate.
5.
Adjust
the
Headphone
volumetoa
comfortable
listening
level.
Channel
A/B
Selection Switch
1.
Select
the
appropriate
channel
from
the
desired
audio
source.
NOTE:
The
switch
can
be changed
while
the
headphones
are
in
use,
butaloud
crackleorpop may be
apparent.
5
Page 7
OPERA
rlON
PRECAUTIONS:
•
Do
not
allow
liquidsorforeign
objectstoenter
the
WH204IR
TransmitterorHeadphones.
•Ifany
unit
should
become
wet,
tum
off
all
power
and
let
your
authorized
Clarion
Pro
Audio
dealer
cleanorservice
the
equipment.
DO
NOT
ATTEMPTTOOPENORSERVICE
THE
IR
TRANSMITTERORHEADPHONES.
THE
INTERNAL
PARTS
ARE
NOT
USER-SERVICEABLE.
DOINGSOWILL
VOID
THE
WARRANTY.
•
Do
not
droporexcessively
jar
the
WH204
headphones.
•
Do
not
use
liquid
cleanersonany
surfaces.
Only
use
a
soft
(cottonorother
non-static)
clothtowipe
off
finger-
prints.
•
Do
not
subject
the
unittodirect
sunlightoran
extremely
hot
environment
(e.g.,
closed
windowsona
hot
summer
day,
direct
pathofheater
vent,
etc.).
•
Avoid
using
the
products
under
the
following
conditions:
6
-
After
extended
parkingonan
extremely
hotorcold
day
-
Near
strong
magnetic
fields
-Inan
environment
with
excessive
humidity,
dust,
or
vibration
(e.g.,
off-road
travet
etc.)
INSTALLATION PRECAUTIONS
•
This
unit
operatesonan
automotive
12-volt
negative
ground
power
source
and
requires
additional
mobile
audio
and
video
components
for
proper
operation.
•
Before
installation,
disconnect
the
(-)
negative
lead
from
the
vehicle's
battery.
•
Use
only
supplied
screws
and
hardware.
Make
sure
all
connections
and
components
are
fastened
securely.
•
At
the
proposed
installation
sites,
make
sure
thereisade-
quate
spacetoaccommodate
the
WH204IRTransmitter
(see
Mountingonpage
7).
•
Use
extreme
caution
when
drilling
around
electrical
wiring,
brake
lines,
and
fuel
lines.
Check
clearances
on
both
sides
of a
planned
installation
surface
before
drilling
Page 8
any
holesorinstalling
any
screws.
Always
wear
protective eyewear
when
using
tools.
•
Use
only
high-quality
RCA
cables
that
arenolonger
than
necessary.
Extra-length
audio
and
video
cables
can
cause
signal
loss
and
actasan
"antenna"
for
noise.
•
When
routing
RCA
cables,
keep
them
away
from
power
cables
and
output speaker
wires.
•
If
a
fuse
needs
replacement,
use
the
same
valueasthe
original.Donot
substitute another
rating.
MOUNTING
DESCRIPTION
Figure4.The
WH204's
input
connectors and
wiring.
7
Page 9
WIRING
DESCRIPTION
Channel
B
Molex
(3-pinJ
..
~.
.....'
~
r.OromreiBAudioSDfIrCO
,~~
. L
(notsuppliedJ
RED-Bflttery
l+12V)
ce.
~
r.ar-elAAudios.utrJl
L
(not
suppliedJ
BLACK·
Ground
ChannelA
&
Power
Molex
(S-pinJ
WH2041R
Transmitter
Figure5.The
WH2041s
input
connectors and
wiring.
8
Page 10
TROUBLESHOOTING
Symptom
Cause
Solution
System
does
Fuseisblown.
Replace
external
fuse
with
not
work.
the
same
value.
Headphones
Power
wires
Check
BATTERY
and
indicator
illuminated
not
connected.
GROUND
wiringattransmitter
butnosound.
No
Power
Batteries
not
Insert
(2)
Alkaline
AAA
indicatoronphones-
inserted.
batteries
into
headphones.
Battery
polarity
Insert
batteries
with
proper
improper.
polarity.
No
sound
from
Wrong
audio
channel
Select
the
proper
audio
channel
Headphones.
selected.
(see
Page5).
PIN:
R90820S105
FCC
STATEMENT
This
equipment
has
been
tested
and
foundtocomply
with
the
limits
foraClassBdevice,
pursuanttoPart15of
the
FCC
Rules.
These
limits
are
designedtoprovide
reasonable
pro-
tection
against
harmful
interferenceina residential
installa-
tion.
This
equipment
generates,
uses,
and
can
radiate
radio
frequency
energy
and,ifnot
installed
and
usedinaccordance
with
the
instructions,
may
cause
harmful
interferencetoradio
communications.
However,
thereisno
guarantee
that
interfer-
ence
will
not
occurina particular
installation.
If
this
equipment
does
cause
harmful
interferencetoradio
or
television
reception,
which
canbeverifiedbyturning
the
unit
off
and
on,
the
userisencouragedtoconsult
the
dealeroran
experienced
radio/television technician
for
help.
9
Page 11
©2003
Clarion
Corporation,
Gardena,
CA
Clarion
CorporationofAmerica
661
West
Redondo
Beach
Blvd
Gardena,
CA
90247
800-G
O-CLARI
0N
www.clarion.com
Page 12
Warning: Changes
expressly approved
or
modifications to this unit not
by
the party responsible for
compliance could void the
user's
authority to
operate the,equipment.
NOTE: This equipment has been tested and found
to comply with the limits for a Class B digital
15
of
device, pursuant to Part
the FCC Rules.
These limits are designed to provide reasonable
protection against harmful interference in a
residential installation. This equipment generates,
uses and can radiate radio frequency energy and,
if
not installed and used in accordance with the
instructions, may cause harmful interference to
radio communications.
is
However, there
no guarantee that interference
If
will not occur in a particular installation.
this
equipment does cause harmful interference to radio
or
television reception, which can be determined
by
turning the equipment
encouraged to try to correct interference
more
of
the
Reorient
following measures:
or
relocate the receiving antenna.
off
and on, the user is
by
one
or
Increase the separation between the equipment
and receiver.
Connect the equipment into an outlet
on
circuit different from that to which the receiver
is needed.
or
Consult the dealer
an experienced radio/TV
technician for help.
a
PIN : R907000023
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